SALIM, E.; DELVI, N. G. . Improving Purchase Decisions In Pandemic Times Through Expected Value By Analyzing Direct Selling And Sales Promotion at CV. Dunia Unggas. Journal of Science Education and Management Business, [S. l.], v. 1, n. 1, p. 1–5, 2022. DOI: 10.62357/joseamb.v1i1.36. Disponível em: https://rcf-indonesia.org/home/index.php/JOSEAMB/article/view/36. Acesso em: 1 jul. 2026.